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2026-04-21 - 18:50
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Apr 21, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61322116107,6sleep10-21swapper/107:09:451
60742116106,7sleep20-21swapper/207:09:032
58842113103,7sleep30-21swapper/307:06:343
58762113101,7sleep00-21swapper/007:06:270
255982650,0sleep30-21swapper/307:25:003
109882630,0sleep30-21swapper/312:00:013
54372610,0sleep20-21swapper/209:00:182
198362610,0sleep30-21swapper/308:15:183
100182590,0sleep30-21swapper/307:38:583
144242570,1sleep10-21swapper/110:05:161
227182560,0sleep10-21swapper/107:20:171
226132550,0sleep30-21swapper/308:45:173
223062550,1sleep10-21swapper/111:40:161
326602360,0sleep132661-21cron09:54:591
631799350,12cyclictest0-21swapper/211:35:122
631799277,2cyclictest0-21swapper/208:50:122
631199270,26cyclictest0-21swapper/112:33:231
631199270,26cyclictest0-21swapper/111:09:161
631199270,26cyclictest0-21swapper/108:34:591
631199270,26cyclictest0-21swapper/108:34:591
6317992618,7cyclictest749-21snmpd09:30:252
631799260,2cyclictest0-21swapper/210:33:362
631799260,25cyclictest0-21swapper/212:37:532
631799260,25cyclictest0-21swapper/210:49:182
631799260,25cyclictest0-21swapper/209:49:012
631199260,25cyclictest0-21swapper/111:49:461
631199260,25cyclictest0-21swapper/111:04:051
631199260,25cyclictest0-21swapper/110:10:461
631199260,25cyclictest0-21swapper/109:06:431
631199260,25cyclictest0-21swapper/107:31:291
630799260,25cyclictest0-21swapper/012:26:260
6317992518,6cyclictest749-21snmpd12:20:142
631799251,23cyclictest0-21swapper/209:38:152
631799250,23cyclictest31116-21turbostat.cron09:25:002
631199250,24cyclictest0-21swapper/111:57:051
631199250,24cyclictest0-21swapper/111:12:501
631199250,24cyclictest0-21swapper/109:27:301
631199250,24cyclictest0-21swapper/108:12:381
630799250,24cyclictest0-21swapper/007:10:210
6317992418,5cyclictest749-21snmpd11:05:232
6317992418,5cyclictest749-21snmpd10:09:542
6317992417,6cyclictest749-21snmpd11:20:072
6317992416,6cyclictest17283-21apt-get08:15:112
631799241,5cyclictest0-21swapper/208:30:132
631799241,5cyclictest0-21swapper/208:30:122
631799241,10cyclictest0-21swapper/208:45:102
6311992417,7cyclictest0-21swapper/110:45:221
631199240,23cyclictest0-21swapper/111:28:021
631199240,23cyclictest0-21swapper/110:20:341
631199240,23cyclictest0-21swapper/108:38:241
631199240,23cyclictest0-21swapper/107:29:381
631799231,16cyclictest0-21swapper/207:20:292
631799230,22cyclictest0-21swapper/210:56:042
631799230,22cyclictest0-21swapper/209:05:282
631799230,15cyclictest0-21swapper/211:50:172
6311992321,2cyclictest0-21swapper/108:46:081
631199230,23cyclictest0-21swapper/112:14:261
256942231,5sleep30-21swapper/309:20:033
631799226,12cyclictest4594-21/usr/sbin/munin07:35:172
631799223,13cyclictest10416-21/usr/sbin/munin07:40:182
631799222,19cyclictest0-21swapper/210:18:482
631799222,14cyclictest0-21swapper/210:20:112
6317992218,3cyclictest0-21swapper/210:50:102
6317992215,6cyclictest749-21snmpd10:40:302
6317992214,7cyclictest749-21snmpd12:18:082
6317992214,7cyclictest749-21snmpd11:47:112
6317992214,7cyclictest749-21snmpd09:25:572
6317992214,7cyclictest749-21snmpd08:26:052
631799221,3cyclictest0-21swapper/207:27:022
631799221,3cyclictest0-21swapper/207:17:532
631799221,20cyclictest0-21swapper/208:12:142
631799220,21cyclictest0-21swapper/207:12:262
6311992218,3cyclictest0-21swapper/107:40:021
631199220,21cyclictest0-21swapper/111:36:171
631199220,21cyclictest0-21swapper/111:34:381
631199220,21cyclictest0-21swapper/109:41:401
631199220,21cyclictest0-21swapper/109:21:451
631199220,21cyclictest0-21swapper/108:41:561
631199220,21cyclictest0-21swapper/108:27:261
631199220,21cyclictest0-21swapper/108:23:171
631199220,21cyclictest0-21swapper/107:54:351
630799227,14cyclictest0-21swapper/012:10:190
630799220,21cyclictest0-21swapper/008:24:330
630799220,21cyclictest0-21swapper/008:02:570
631799212,8cyclictest0-21swapper/212:05:142
631799212,8cyclictest0-21swapper/210:25:432
631799212,14cyclictest0-21swapper/207:33:272
6317992119,2cyclictest0-21swapper/211:29:472
6317992117,3cyclictest0-21swapper/210:00:462
6317992114,6cyclictest749-21snmpd12:28:472
631799211,3cyclictest0-21swapper/207:57:112
631799210,2cyclictest0-21swapper/211:19:142
631799210,2cyclictest0-21swapper/209:50:392
631799210,20cyclictest0-21swapper/212:01:172
631799210,20cyclictest0-21swapper/212:01:162
631799210,20cyclictest0-21swapper/211:30:262
631799210,20cyclictest0-21swapper/210:35:102
631799210,20cyclictest0-21swapper/209:57:312
631799210,20cyclictest0-21swapper/209:00:002
631799210,20cyclictest0-21swapper/208:41:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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